Author: Frank Longo

You say you can't get enough sudoku? Challenge accepted! With more than 900 puzzles at all difficulty levels (gradually increasing from easy to med...

A collection of 105 easy to hard sudoku puzzles that will provide a perfect (and perfectly portable) break at any time of the day.

Hone your skills by solving a grid a day with this 2024 box calendar of sudoku puzzles ranging from easy to hard, created by puzzle master Frank Lo...

The logical choice for lavatory reading. Easy sudoku are perfect for solving when you have a few minutes on your handswherever you may be. Just tos...

Make an appointment with yourself to solve these puzzles! If you love sudoku, what better way to treat yourself than to set aside a little time for...

Have hours of fun with these sudoku puzzles! 77 puzzles will introduce kids to the challenging and rewarding fun of sudoku. With its fresh look, th...

Immerse yourself in the simple elegance of classic sudoku. In this book, prolific sudoku creator Frank Longo provides 100 classic sudoku, all from ...

Go way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen! Calling all sudoku-solving diehards: with every puzzle re...

Stuff this collection of expertly crafted and age-appropriate sudoku in your backpack . . . and have fun on the go! These 77 puzzles will int...

ROAD TRIP! These expertly crafted sudoku will provide hours of fun for kids on the go.   These 77 puzzles will introduce kids to the challenging a...

Strain your brain, not your eyes! With one puzzle on each page, large numbers and plenty of space to write, these super-sized sudoku are easy to re...